mirror of
https://github.com/brl/mutter.git
synced 2024-11-24 00:50:42 -05:00
27fff12a6a
To be able to load matrices to GL manually within Cogl we need a way to dirty the state cached by the client matrix stack API.
94 lines
4.0 KiB
C
94 lines
4.0 KiB
C
/*
|
|
* Cogl
|
|
*
|
|
* An object oriented GL/GLES Abstraction/Utility Layer
|
|
*
|
|
* Copyright (C) 2009 Intel Corporation.
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*
|
|
* Authors:
|
|
* Havoc Pennington <hp@pobox.com> for litl
|
|
*/
|
|
|
|
#ifndef __COGL_CURRENT_MATRIX_H
|
|
#define __COGL_CURRENT_MATRIX_H
|
|
|
|
#include <cogl/cogl-matrix.h>
|
|
|
|
/**
|
|
* CoglMatrixMode:
|
|
* @COGL_MATRIX_MODELVIEW: Select model-view matrix stack
|
|
* @COGL_MATRIX_PROJECTION: Select projection matrix stack
|
|
* @COGL_MATRIX_TEXTURE: Select texture matrix stack
|
|
*
|
|
* There are several matrix stacks affected by the COGL current matrix
|
|
* operations (which are private). Code should always leave the
|
|
* model-view matrix active, switching to the projection matrix stack
|
|
* only temporarily in order to modify the projection matrix. Most
|
|
* COGL and Clutter APIs (other than the current matrix operations)
|
|
* will assume the model-view matrix is active when the API is
|
|
* invoked.
|
|
*
|
|
* Since: 1.0
|
|
*/
|
|
typedef enum
|
|
{
|
|
COGL_MATRIX_MODELVIEW = 1,
|
|
COGL_MATRIX_PROJECTION = 2,
|
|
COGL_MATRIX_TEXTURE = 3
|
|
} CoglMatrixMode;
|
|
|
|
#define COGL_TYPE_MATRIX_MODE (cogl_matrix_mode_get_type ())
|
|
GType cogl_matrix_mode_get_type (void) G_GNUC_CONST;
|
|
|
|
void _cogl_set_current_matrix (CoglMatrixMode mode);
|
|
void _cogl_current_matrix_push (void);
|
|
void _cogl_current_matrix_pop (void);
|
|
void _cogl_current_matrix_identity (void);
|
|
void _cogl_current_matrix_load (const CoglMatrix *matrix);
|
|
void _cogl_current_matrix_multiply (const CoglMatrix *matrix);
|
|
void _cogl_current_matrix_rotate (float angle,
|
|
float x,
|
|
float y,
|
|
float z);
|
|
void _cogl_current_matrix_scale (float x,
|
|
float y,
|
|
float z);
|
|
void _cogl_current_matrix_translate (float x,
|
|
float y,
|
|
float z);
|
|
void _cogl_current_matrix_frustum (float left,
|
|
float right,
|
|
float bottom,
|
|
float top,
|
|
float near_val,
|
|
float far_val);
|
|
void _cogl_current_matrix_ortho (float left,
|
|
float right,
|
|
float bottom,
|
|
float top,
|
|
float near_val,
|
|
float far_val);
|
|
void _cogl_get_matrix (CoglMatrixMode mode,
|
|
CoglMatrix *matrix);
|
|
void _cogl_current_matrix_state_init (void);
|
|
void _cogl_current_matrix_state_destroy (void);
|
|
void _cogl_current_matrix_state_flush (void);
|
|
void _cogl_current_matrix_state_dirty (void);
|
|
|
|
#endif /* __COGL_CURRENT_MATRIX_H */
|